• The focus of USEA is maximizing process yields. USEA test yields are maximized by strict process controls, strong engineering resources and data analysis tools. • The following program will allow you to determine how process yield contribute to profits.

Price

Cost

USEA

Vendor X

USEA

Vendor X

Wafer

&nbsp

Wafer Cost ($)

Units/Wafer

&nbsp

&nbsp

Die Cost ($)

&nbsp

&nbsp

Sort Cost Per Die($)

Yield (%)

&nbsp

&nbsp

Cost Sub-total e-sort ($)

Good Units

&nbsp

&nbsp

Assembly

&nbsp

Start Qty

&nbsp

&nbsp

Assembly Cost Per Unit

&nbsp

&nbsp

Assembly Yield (%)

&nbsp

&nbsp

Good Units

&nbsp

&nbsp

Total Assembly Cost

Cost Sub Total

&nbsp

&nbsp

Assembly

&nbsp

Start Qty

Final Test 1 Cost

&nbsp

&nbsp

Final Test 1 yield (%)

&nbsp

&nbsp

Qty Good

&nbsp

&nbsp

Production Cost per Unit

Cost Sub Total

&nbsp

&nbsp

&nbsp

&nbsp

Final Test 1

&nbsp

Start Qty

Final Test 2 Cost

&nbsp

&nbsp

Final Test 2 yield (%)

&nbsp

&nbsp

Qty Good

&nbsp

&nbsp

Production Cost per Unit

Cost Sub Total

&nbsp

&nbsp

&nbsp

&nbsp

Final Test 2

&nbsp

Start Qty

Final Test 3 Cost

&nbsp

&nbsp

Final Test 3 yield (%)

&nbsp

&nbsp

Qty Good

&nbsp

&nbsp

Production Cost per Unit

Cost Sub Total

&nbsp

&nbsp

&nbsp

&nbsp

Tape & Reel

&nbsp

Start Qty

Cost

&nbsp

&nbsp

Tape and Reel Yield

&nbsp

&nbsp

Qty Out

&nbsp

&nbsp

Cost Sub Total

&nbsp

&nbsp

&nbsp

&nbsp

Total Good Units

&nbsp

&nbsp

ASP

&nbsp

&nbsp

&nbsp

Total Revenue

&nbsp

&nbsp

Production Cost

&nbsp

&nbsp

Shipping Cost

&nbsp

&nbsp

Support Cost

&nbsp

&nbsp

Total Production Cost

&nbsp

&nbsp

Total Cost per Unit

&nbsp

&nbsp

&nbsp

Operational Profit

&nbsp

&nbsp

&nbsp

Profit Per Unit

&nbsp

&nbsp

Ours is better.....

1 . Many Companies focus on the cost per hour for test.

2 . Focus on test cost per hour may result in a slightly lower unit cost test, process yield is sacrificed.

3 . Test cost per hour has no incentive to maximize test yields.

4 . Test contacts degradation is common cause of yield loss.

5 . The corrective action results in significant down time and increased contactor cost.